Sagot :
Bonjour
f (x) = 5 x + 6
f (2) = 10 + 6 = 16
5 x + 6 = - 9
5 x = - 9 - 6
5 x = - 15
x = - 3
f ( - 3 ) = - 9
f ( -2) = - 10 +6 = - 4
Bonjour
f (x) = 5 x + 6
f (2) = 10 + 6 = 16
5 x + 6 = - 9
5 x = - 9 - 6
5 x = - 15
x = - 3
f ( - 3 ) = - 9
f ( -2) = - 10 +6 = - 4